A Certain Magical Index Season 3 will start on 5th October 2019 !
Official site
http://toaru-project.com/index_3/
Visuals
A Certain Magical Index 3 Teaser trailer
You must wait it !
And this story is set in Academy City.
It comes from Tachikawa City. We have a report about there !
[Topic] My home otaku town Tachikawa
See also;
[Photo][Japanese language] 玉川上水Tamagawa Josui(Tamagawa Aqueduct) and Osamu Dazai